/* ***** BEGIN LICENSE BLOCK *****
 *   Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is ThumbsDown.
 *
 * The Initial Developer of the Original Code is
 * Atte Kemppilä.
 * Portions created by the Initial Developer are Copyright (C) 2008
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 * 
 * ***** END LICENSE BLOCK ***** */


function NamePage() // extend WizardPage
{
    let depends = "linkUrls images script";
    WizardPage.call(this, depends);
}

NamePage.prototype =
{
    onPageShow: function()
    {
        if (this.firstRun)
        {
            this.$name = document.getElementById("tbox_name");
            this.$nameWarning = document.getElementById("lbl_name_warning");
            this.$resetDefault = document.getElementById("btn_name_resetDefault");
            this.$resetScript = document.getElementById("btn_name_resetScript");
            this.$nameList = document.getElementById("rlbox_name");
        }
        
        if (this.dirty.linkUrls || this.dirty.images)
        {
            this.entries =
                scriptWizard.getEntries({
                    linkUrl: model.linkUrls,
                    image: model.images,  // images aren't actually used, but needed for getting correct subset of link urls
                });
            
            clearListbox(this.$nameList);
            for each (let entry in this.entries)
            {
                let rlitem = this.$nameList.appendItem(entry.linkUrl);
                rlitem.firstChild.crop = "none";
            }
        }
        
        if (this.dirty.linkUrls || this.dirty.images || this.dirty.script)
        {
            let linkUrls = [entry.linkUrl for each (entry in this.entries)];
            let linkUrlTokens = scriptWizard.getUrlTokens(linkUrls);
            this.name = {};
            this.name.default = scriptWizard.getName(linkUrlTokens);
            this.name.script = (model.script ? model.script.name : "");
            this.$name.value = (model.script ? this.name.script : this.name.default);
            
            this.$resetScript.hidden = (! model.script);
        }
        
        if (this.dirty.page)
        {
            this._updateName();
            this._updateButtons();
        }
    },
    
    onNameInput: function()
    {
        // update buttons immediately so that textbox content and buttons are in sync
        this._updateButtons();
        // canAdvance() depends on textbox's timer
        callLater(0, null, function() { wizard.updateWizardButtons() });
    },
    
    onNameCommand: function()
    {
        if (page != pages["name"])
            return;
        
        this._updateName();
        this._updateButtons();
        wizard.updateWizardButtons();
    },
    
    resetName: function(source)
    {
        this.$name.value = this.name[source];
        
        this._updateName();
        this._updateButtons();
        wizard.updateWizardButtons();
    },
    
    _updateName: function()
    {
        var duplicate = false;
        
        let name = this.$name.value.trim();
        if (name.length > 0)
        {
            var scripts = ScriptStore.getScripts();
            let nameLower = name.toLocaleLowerCase();
            scripts = [script for each (script in scripts) if (script.nameLower == nameLower)];
            
            if (scripts.length == 1)
                duplicate = (model.script ? (scripts[0].id != model.script.id) : true);
            else if (scripts.length > 1)
                duplicate = true;
        }
        
        this.$nameWarning.hidden = (! duplicate);
    },
    
    _updateButtons: function()
    {
        this.$resetDefault.disabled = (this.$name.value == this.name.default);
        this.$resetScript.disabled = (this.$name.value == this.name.script);
    },
    
    canAdvance: function()
    {
        // note: this.$name._timer doesn't block (at worst case, _updateName() results in just a warning)
        
        if (this.$name.value.trim().length == 0)
            return false;
        
        return true;
    },
    
    onPageAdvanced: function()
    {
        model.name = this.$name.value.trim();
        return true;
    }
}

extend(NamePage, WizardPage);

pages["name"] = new NamePage();
